Vehicle Handle Switch Thumb Operation Layout
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Solution Overview
Problem
Existing vehicle handle switches with multiple operation elements are difficult for riders to operate effectively, as they are often positioned far from the handle grip, leading to reduced operability and increased risk of erroneous operations.
Innovation Solution
A vehicle handle switch design with operation elements positioned below and on the sides of the handlebar, allowing thumb operation while grasping the handle grip, featuring a rotary switch and inclined attachment parts for improved accessibility and compact configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple switches are attached to the handlebar, then the functionality of the vehicle is improved, but the operability for the rider deteriorates because the switches are disposed at positions remote from the handle grip
Solution Approach 1:
The patent applies dimensional change by arranging operation elements not only in the longitudinal direction but also in the lateral direction overlapping the handlebar. Specifically, a first operation element is disposed below the handlebar and a second operation element is disposed on the front side, creating a two-dimensional layout that brings multiple controls within thumb reach while maintaining compact spacing
Solution Approach 2:
The patent segments the operation elements into distinct functional groups positioned at different locations: a first operation element below the handlebar for primary controls and a second operation element on the front side for additional controls. This segmentation allows each element to be independently accessible while collectively providing comprehensive vehicle control functionality
2Ease of operation
If operation elements are disposed close to the handle grip, then the operability is improved, but the space for hand placement on the handle grip is reduced
Solution Approach 1:
The patent utilizes the lateral dimension by positioning operation elements below and beside the handlebar rather than directly on the handlebar surface. This dimensional placement allows operation elements to be within thumb reach without occupying the longitudinal space needed for proper hand gripping of the handlebar
3Adaptability or versatility
If multiple operation elements are provided on the case, then the functionality is improved, but the device complexity increases
Solution Approach 1:
The patent merges multiple operation elements onto a single case structure that is integrated with the handlebar assembly. The case serves as a common mounting platform for both the first and second operation elements, consolidating what could be separate components into one integrated unit, thereby providing enhanced functionality while controlling structural complexity
Data Source
AI summary
In a switch case of a handle switch of a vehicle, first to fourth operation elements are disposed on a case below an axial line of a handlebar of the vehicle. The first to third operation elements overlap with each other, when viewed in rear view, and are each disposed in such an accessible range as to be operable by a rider with a thumb in a state in which the rider puts a left hand on a handle grip attached to the handlebar. The fourth operation element is provided on the center side of the vehicle body in the direction along the axial line. Such vehicle handle switch allows improvement in the operability for a rider.